<template>
  <div class='container-articles'>
    <el-card>
      <el-row>
        <el-col :span="18">
          <el-form
            ref="artivleForm"
            :model="formDate"
            label-width="60px"
            inline
            size="mini"
          >
            <el-form-item label="关键词">
              <el-input
                v-model="formDate.keyword"
                placeholder="根据文章标题搜索"
              ></el-input>
            </el-form-item>
            <el-form-item label="状态">
              <el-select
                v-model="formDate.state"
                placeholder="请选择"
              >
                <el-option
                  label="启用"
                  value="1"
                ></el-option>
                <el-option
                  label="禁用"
                  value="0"
                ></el-option>
              </el-select>
            </el-form-item>
            <el-form-item>
              <el-button
                size="small"
                @click="empty"
              >清除</el-button>
              <el-button
                size="small"
                type="primary"
                @click="search"
              >搜索</el-button>
            </el-form-item>
          </el-form>
        </el-col>
        <el-button
          style="float: right"
          type="success"
          size="small"
          icon="el-icon-edit"
          @click="showDialog = true"
        >新增技巧</el-button>
        <el-col :span="6"></el-col>
      </el-row>
      <el-alert
        class="article-alert"
        :title="`数据一共${total}条`"
        type="info"
        :closable="false"
        show-icon
      >
      </el-alert>
      <!-- 表格 -->
      <el-table :data="tableData">
        <el-table-column
          type="index"
          label="序号"
        >
        </el-table-column>
        <el-table-column label="文章标题">
          <template slot-scope="scope">
            <div class="cell">
              {{ scope.row.title }}
              <a
                v-if="scope.row.videoURL"
                href="#"
                class="el-icon-film"
                @click="videoShow = true"
              ></a>
            </div>
          </template>
        </el-table-column>
        <el-table-column
          prop="visits"
          label="阅读数"
        ></el-table-column>
        <el-table-column
          prop="username"
          label="录入人"
        ></el-table-column>
        <el-table-column label="录入时间">
          <template slot-scope="scope">
            {{ scope.row.createTime | parseTimeByString }}
          </template>
        </el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            {{ scope.row.state === 1 ? '已启用' : '已禁用' }}
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <el-button
              type="text"
              @click="preview(scope.row)"
            >预览</el-button>
            <el-button
              type="text"
              @click="changeState(scope.row.id, scope.row.state)"
            >
              {{ scope.row.state === 1 ? '禁用' : '启用' }}
            </el-button>
            <el-button
              type="text"
              :disabled="scope.row.state === 0"
              @click="updateArticle(scope.row.id)"
            >修改</el-button>
            <el-button
              type="text"
              :disabled="scope.row.state === 0"
              @click="delArticle(scope.row.id)"
            >删除</el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 底部分页栏 -->
      <div class="block">
        <el-pagination
          background
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :page-sizes="[5, 10, 20, 50]"
          :page-size="10"
          layout="prev, pager, next, sizes, jumper"
          :total="total"
        >
        </el-pagination>
      </div>
    </el-card>
    <!-- 新增弹层 -->
    <articles-add
      ref="addArticles"
      :show-dialog.sync="showDialog"
      @addArticle="getlist()"
    />
    <!-- 预览文章 -->
    <articles-preview
      :preview-data="previewData"
      :show-preview.sync="showPreview"
    />
    <div
      v-if="videoShow"
      class="video-preview"
    >
      <div
        class="close"
        @click="videoShow = false"
      >
        <span class="el-icon-close"></span>
      </div>
      <div class="box">
        <video :src="previewData.videoURL"></video>
      </div>
    </div>
  </div>
</template>

<script>
import { list, remove, changeState } from '@/api/hmmm/articles.js'
import ArticlesAdd from '../views/articles-add'
import ArticlesPreview from '../views/articles-preview'
export default {
  components: {
    ArticlesAdd,
    ArticlesPreview
  },
  data () {
    return {
      formDate: {
        keyword: null,
        state: null,
        page: 1,
        pagesize: 10
      },
      total: null,
      tableData: [],
      showDialog: false,
      showPreview: false,
      articlesId: null,
      previewData: {},
      videoShow: false
    }
  },
  created () {
    this.getlist()
  },
  methods: {
    async getlist () {
      const { data } = await list(this.formDate)
      console.log(data.items)
      this.tableData = data.items
      this.total = data.counts
    },
    handleSizeChange (val) {
      this.formDate.pagesize = val
      this.getlist()
    },
    handleCurrentChange (val) {
      this.formDate.page = val
      this.getlist()
    },
    delArticle (id) {
      this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消'
      }).then(async () => {
        await remove({ id: id })
        this.$message.success('删除成功')
        this.getlist()
      })
    },
    async changeState (id, state) {
      if (state === 0) {
        state = 1
      } else {
        state = 0
      }
      await changeState({ id: id, state: state })
      this.getlist()
    },
    async updateArticle (id) {
      this.articlesId = id
      await this.$refs.addArticles.detail(id)
      this.showDialog = true
    },
    empty () {
      this.formDate = {
        keyword: null,
        state: null,
        page: 1,
        pagesize: 10
      }
      this.getlist()
    },
    search () {
      this.getlist()
    },
    preview (data) {
      this.previewData = data
      this.showPreview = true
    }
  }
}
</script>

<style scoped lang='scss'>
.container-articles {
  padding: 10px 15px;
  .article-alert {
    margin-bottom: 10px;
  }
  .cell {
    box-sizing: border-box;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: normal;
    word-break: break-all;
    line-height: 23px;
    padding-right: 10px;
    a {
      color: #00f;
      font-size: 18px;
    }
  }
  .video-preview {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    overflow: hidden;
    z-index: 9999;
    .close {
      width: 50px;
      height: 50px;
      position: absolute;
      top: 30px;
      left: 50%;
      -webkit-transform: translate(-50%);
      transform: translate(-50%);
      background: rgba(0, 0, 0, 0.4);
      -webkit-box-shadow: 0 0 5px rgb(0 0 0 / 40%);
      box-shadow: 0 0 5px rgb(0 0 0 / 40%);
      border-radius: 50%;
      text-align: center;
      line-height: 50px;
      color: #fff;
      font-size: 20px;
    }
    .box {
      width: 800px;
      height: 600px;
      position: absolute;
      left: 50%;
      top: 50%;
      -webkit-transform: translate(-50%, -50%);
      transform: translate(-50%, -50%);
      video {
        width: 100%;
        height: 100%;
      }
    }
    .el-pagination {
      padding: 2px 5px;
      padding-top: 2px;
      padding-right: 5px;
      padding-bottom: 2px;
      padding-left: 5px;
      color: #303133;
      font-weight: 700;
    }
  }
}
</style>
